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From: <ldm@weather.cod.edu>
Subject: Central Pacific: High Seas Analysis
To: <wx-tropl@lists.illinois.edu>
Message-ID: <20220123225247.DB45F1C0EEE@weather.cod.edu>
Date: Sun, 23 Jan 2022 22:52:47 +0000
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926 
FZPN40 PHFO 232251
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SUN JAN 23 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT 
OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN
TWICE THE SIGNIFICANT WAVE HEIGHT.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC JAN 23 2022.
24 HOUR FORECAST VALID 1800 UTC JAN 24 2022.
48 HOUR FORECAST VALID 1800 UTC JAN 25 2022.

.WARNINGS. 

...GALE WARNING...
.LOW 20N145W 1008 MB MOVING SW 10 KT. WINDS 30 TO 40 KT FROM 19N 
TO 23N BETWEEN 143W AND 147W. WINDS 20 TO 30 KT ELSEWHERE FROM 16N
TO 25N BETWEEN 141W AND 151W. SCATTERED MODERATE TSTMS WITHIN
240 NM E SEMICIRCLE.
.24 HOUR FORECAST LOW 15N147W 1010 MB. WINDS 20 TO 30 KT FROM 20N
TO 23N E OF 154W...AND FROM 13N TO 20N BETWEEN 146W AND 154W.
.48 HOUR FORECAST LOW 12N150W 1013 MB. NE WINDS 20 TO 25 KT FROM 
13N TO 20N BETWEEN 150W AND 160W. 

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT FAR W OF AREA. S TO SW WINDS 20 TO 
30 KT N OF 27N W OF 164E.
.36 HOUR FORECAST FRONT FROM 30N161E TO 29N160E. SW WINDS 30 TO
35 KT N OF 27N BETWEEN FRONT AND 166E. WINDS 20 TO 30 KT ELSEWHERE
NW OF A LINE FROM 30N173E TO 26N169E TO 23N160E.
.48 HOUR FORECAST FRONT FROM 30N170E TO 23N160E. WINDS 20 TO 30 KT 
N OF A LINE FROM 30N177W TO 25N177E TO 23N162E TO 25N160E.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N166W TO 23N178W TO 18N171E TO 16N160E MOVING E 10 KT
ALONG 30N...AND NEARLY STATIONARY S OF 18N. W TO NW WINDS 20 TO 
30 KT N OF A LINE FROM 30N176W TO 25N175E TO 25N167E TO 30N160E.
SW WINDS 20 TO 25 KT N OF 27N BETWEEN FRONT AND 161W. 
.24 HOUR FORECAST FRONT FROM 30N163W TO 21N174W TO 16N160E. WIND
DIMINISHED TO 20 KT OR LESS. 
.48 HOUR FORECAST FRONT FROM 30N156W TO 25N162W TO 23N171W. 

.HIGH W OF AREA NEAR 28N154E 1021 MB MOVING E 40 KT. RIDGE FROM
HIGH TO 25N160E TO 22N172E MOVING E 30 KT.
.24 HOUR FORECAST HIGH 28N170E 1021 MB.
.48 HOUR FORECAST HIGH N OF AREA NEAR 32N173W 1023 MB.

.RIDGE FROM 30N154W TO 23N165W TO 19N176W NEARLY STATIONARY AND
ERODING FROM THE W.

.NE TO E WINDS 20 TO 25 KT FROM 15N TO 19N BETWEEN 151W AND 
157W...AND FROM 06N TO 13N W OF 173E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N 
W OF 154W. 
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 03N TO 16N
BETWEEN 160W AND 175E.

.WINDS 20 KT OR LESS REST OF FORECAST AREA. 

.SEAS 12 TO 18 FT N OF A LINE FROM 30N164W TO 24N180E TO 24N160E. 
SEAS MAINLY 12 TO 16 FT N OF 18N E OF 151W. SEAS MAINLY 8 TO 12 FT 
ELSEWHERE N OF A LINE FROM 15N140W TO 01N162W TO 02N177E TO 10N160E.
.24 HOUR FORECAST SEAS 12 TO 14 FT N OF 27N BETWEEN 172W AND 
171E...AND FROM 14N TO 19N BETWEEN 148W AND 152W. SEAS 8 TO 12 FT 
ELSEWHERE N OF 05N...EXCEPT SEAS 8 FT OR LESS FROM 16N TO 21N
BETWEEN 155W AND 170W.
.48 HOUR FORECAST SEAS 12 TO 14 FT N OF 28N W OF 163E. SEAS 8 TO 
12 FT ELSEWHERE N OF A LINE FROM 30N175E TO 25N167E TO 25N160E.
SEAS MAINLY 8 TO 12 FT ELSEWHERE N OF A LINE FROM 20N140W TO 
05N161W TO 05N175E.

.SEAS 8 FT OR LESS REST OF FORECAST AREA.

.ITCZ FROM 09N140W TO 07N152W TO 04N166W TO 03N180E. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF ITCZ W OF 164W.

.ISOLATED MODERATE TSTMS FROM 04N TO 11N W OF 171E.

$$

.FORECASTER AHUE. HONOLULU HI.


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